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[Errno 8] nodename nor servname provided, or not known
The error typically occurs when trying to send an email:
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Email+ Error Email+ SMTP Server: SMTP server connection error: [Errno 8] nodename nor servname provided, or not known
However this is not an Indigo error nor it's exclusive to Indigo. Having now done a search on this error I even found it on some Python scripts that run out outside of Indigo. The error doesn't happen all the time, only ocasionally. Usually it's 3-5 times a day. Given the "random" nature of the errors I am inclined to think it's some sort of transient issue. I found this SO post that talks about of max open files. So I followed the guide on this site to increase the max open files on my Mac to 524288 however the error is still showing up. I looked at my logs and the first time I saw this error was on 9-June this year. I looked at all the software that was installed in my Mac in the last month using System Information, see below. The closest match is Xcode v13.4.1 but that was 6 days before the first know error in my logs. MacOS v12.4 was installed on 24-May but again a bit earlier than the first error. I have now even moved to MacOS Ventura v13.0.1 but the errors are still present.
Has anyone seen this error? Any ideas how to fix it?
Thanks!